typedef PD3DXQUATERNION (WINAPI *TD3DXQuaternionInverse)(
  _Inout_  D3DXQUATERNION *pOut,
  _In_     const D3DXQUATERNION *pQ
);

TD3DXQuaternionInverse OldD3DXQuaternionInverse;

DllExport PD3DXQUATERNION cc D3DXQuaternionInverse(
  _Inout_  D3DXQUATERNION *pOut,
  _In_     const D3DXQUATERNION *pQ
)
{
	return OldD3DXQuaternionInverse (pOut, pQ);
}
